///*
// * Copyright 2012-2020 the original author or authors.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      https://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package com.config.client.thread;
//
//import java.util.Collection;
//
///**
// * A special-purpose cache interface specifically for the {@link GenericScope} to use to
// * manage cached bean instances. Implementations generally fall into two categories: those
// * that store values "globally" (i.e. one instance per key), and those that store
// * potentially multiple instances per key based on context (e.g. via a thread local). All
// * implementations should be thread safe.
// *
// * @author Dave Syer
// *
// */
//public interface ScopeCache {
//
//    /**
//     * Removes the object with this name from the cache.
//     * @param name The object name.
//     * @return The object removed, or null if there was none.
//     */
//    Object remove(String name);
//
//    /**
//     * Clears the cache and returns all objects in an unmodifiable collection.
//     * @return All objects stored in the cache.
//     */
//    Collection<Object> clear();
//
//    /**
//     * Gets the named object from the cache.
//     * @param name The name of the object.
//     * @return The object with that name, or null if there is none.
//     */
//    Object get(String name);
//
//    /**
//     * Put a value in the cache if the key is not already used. If one is already present
//     * with the name provided, it is not replaced, but is returned to the caller.
//     * @param name The key.
//     * @param value The new candidate value.
//     * @return The value that is in the cache at the end of the operation.
//     */
//    Object put(String name, Object value);
//
//}
